(G C Hanford) Go-Dry Penicillin G Procraine for Dry Cows is used for the treatment of bovine mastitis in dry cows. Go-Dry is effective against udder infections caused by Streptococcus agalactiae. Each 10 ml syringe contains 100,000 units Penicillin G Procaine in sesame oil. Administer Go-Dry at the time of drying-off by infusing all four quarters, one time only, with a single 10 ml syringe. Discard all milk for 72 hours (6 milkings) following calving, or later as indicated by the marketable quality of the milk. 12 tubes per box.